A.K.A. "Stuck in the Mud" in Australia
In this version of Tag, one person is still "it", but
when they touch someone, that person is "frozen" in
place. They cannot move and must stand with their feet apart.
The only way they can become unfrozen is if a person crawls under
their legs. Play continues until all the players are frozen.
Then the last person to be frozen is "it" for the next